User blog comment:FluffyMermaid78/Ask Mew!/@comment-33885936-20180106004709/@comment-34043027-20180106005451

Well, sort of. There are two Mewtwos, each called Mewtwo. The first Mewtwo was in Pokémon The First Movie, and he is a boy. The second one was in Genesect and the Legend Awakend, and she is a girl.